Skip bluetooth device iteration if LocalBluetoothManager is null

bug:13653239

Change-Id: I163c47b626825b2f83bb63d9f6900216ce44ae41

src/com/android/settings/bluetooth/BluetoothSettings.java

@@ -443,6 +443,9 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
 
                 // Add cached paired BT devices
                 LocalBluetoothManager lbtm = LocalBluetoothManager.getInstance(context);
+                // LocalBluetoothManager.getInstance can return null if the device does not
+                // support bluetooth (e.g. the emulator).
+                if (lbtm != null) {
                     Set<BluetoothDevice> bondedDevices =
                             lbtm.getBluetoothAdapter().getBondedDevices();
 
@@ -453,7 +456,7 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
                         data.enabled = enabled;
                         result.add(data);
                     }
-
+                }
                 return result;
             }
         };